Excursion Guide 4 th PATA meeting Aachen Klaus Reicherter 1 , Klaus-G. Hinzen 2 , Martin Salomon 3 , Margret Mathes-Schmidt 1 , Tomás Fernández-Steeger 1 , Roland Walter 1 and Andreas Rudersdorf 1 1 Faculty 5.3 for Geosciences and Geography, RWTH Aachen University 2 Earthquake Geology and Archaeoseismology, Bensberg, Univ. of Cologne 3 Geologischer Dienst Nordrhein-Westfalen, Krefeld (Geol. Survey of Northrhine-Westfalia)